/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionISMPoolComponent.h
bool BatchUpdateInstancesTransforms ( [FGeometryCollectionMeshInfo](API\Runtime\GeometryCollectionEngine\GeometryCollection\FGeometryCollect-_14) & MeshInfo, int32 StartInstanceIndex, const [TArray](API\Runtime\Core\Containers\TArray)< FTransform > & NewInstancesTransforms, bool bWorldSpace, bool bMarkRenderStateDirty, bool bTeleport )